MCQ
Bronze is a mixture of _______________ metals.
- ACu + Ag
- ✓Cu + Sn
- CCu + Ni
- DCu + Zn
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Assume Planck's constant $( h )=6.4 \times 10^{-34}\,Js$ Speed of light $( c )=3.0 \times 10^8\,m / s$ and Avogadro's constant $\left( N _{ A }\right)=6 \times 10^{23} / mol$